M:tG card similarity search
1U · Instant
Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Kindred Denial | 2UU | Instant | Counter target spell. Seek a card with the same mana value as that spell. | 
| Archon of Absolution | 3W | Creature — Archon | Flying Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.) Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures. 3/2 | 
| Misdirection | 3UU | Instant | You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target. | 
| Ghostly Prison | 2W | Enchantment | Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. | 
| Propaganda | 2U | Enchantment | Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. | 
| Bag Check | 1UU | Instant | Counter target spell, then ask a person outside the game if that spell looks dangerous to them. If they say yes, draw a card, then discard a card. | 
| Statute of Denial | 2UU | Instant | Counter target spell. If you control a blue creature, draw a card, then discard a card. | 
| Siren Stormtamer | U | Creature — Siren Pirate Wizard | Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control. 1/1 | 
| Fold into Aether | 2UU | Instant | Counter target spell. If that spell is countered this way, its controller may put a creature card from their hand onto the battlefield. | 
| Assert Authority | 5UU | Instant | Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |